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Toxic and Metabolic Myelopathies

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Figure 2 Vitamin B 12 deficiency. Axial (A and B) and sagittal (C) T2-WI in a patient with vitamin B 12 deficiency show high- high-signal intensity involving the dorsal columns (arrows)
Figure 3 Nitrous oxide toxicity. Axial (A and B) and sagittal (C) T2-WI of the cervical spine in a patient with myelopathy after surgery with nitrous oxide anesthesia
Figure 4 Folate de fi ciency. Axial (A) and sagittal (B) T2-WI in a patient with folate de fi ciency show high-signal intensity involving the dorsal columns (arrows).
Figure 5 Copper de fi ciency. (A and B) Axial T2-WI at C1-2 level in a patient with Cu de fi ciency demonstrate high-signal intensity involving dorsal columns (arrows).
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